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矿床地质:2018,Vol.>>Issue(1):67-80

西秦岭阳山金矿带控矿因素、找矿标志及深部成矿预测
中国人民武装警察部队黄金第十二支队, 四川 成都 610036
Ore-controlling factors, prospecting criteria and deep metallogenic prognosis in Yangshan gold ore belt, West Qinling Mountain
LI HongWei
(No. 12 Gold Geological Party of CAPF, Chengdu 610036, Sichuan, China)
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摘要点击次数: 358   全文下载次数: 374   点此下载全文
投稿时间:2016-10-26   修订日期:2017-10-30      网络发布日期:2018-02-28
中文摘要:目前对西秦岭阳山金矿带勘查评价正在加速进行,为了进一步查明该矿带成矿规律和找矿潜力,指导矿田深部勘查找矿工作,武警黄金第十二支队在矿区开展了深部矿产调查和研究。文章在前人研究的基础上,通过最新的地质、地球物理勘查和室内综合研究,分析和总结了阳山金矿带主要控矿因素和找矿标志以及各因素的控矿机制。研究显示:区内的北东东向、近东西向断裂系统多沿葛条湾-草坪梁复背斜南翼层间褶皱岩层薄弱面或不同岩性接触面发育,在成矿过程中起到通道作用,限定了矿体的展布,为主要控矿因素。在明确找矿标志的基础上,以安坝矿段为研究对象,采用三维地质建模找矿信息量法进行了定量成矿预测,共圈定出深部找矿靶区4处,为矿区下一步的勘查指明了方向。
Abstract:The Yangshan gold ore belt located in the west of Qinling Mountain tectonic belt is currently the largest independent gold deposit in China. The No. 12 Gold Geological Party of CAPF discovered it in 1997, and so far, the gold resources have reached more than 380 t. In order to find out the metallogenic regularity and prospecting potential of the Yangshan gold deposit, the No. 12 Gold Geological Party of CAPF carried out deep mineral investigation and study in the mining area. On the basis of previous studies and through the recent geological, geophysical exploration and indoor comprehensive study, the authors analyzed and summarized the ore-controlling factors and prospecting criteria of the Yangshan gold ore belt. Research shows that the NEE-trending and nearly EW-trending fracture systems in the area are distributed along the interlayer fold and weak surface of rock strata in the south limb of Getiaowan-Caopinliang anticlinorium. The ore deposits are obviously controlled by the main faults. On such a basis, the authors made use of the information quantity method to perform metallogenic prognosis, and delineated four ore-prospecting target areas at the depth of Anba area. The results provide guidance for the further exploration of mineral resources.
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中图分类号:P618.31     
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基金项目:本文得到了中国地质调查局地质矿产调查评价项目《甘肃省文县阳山金矿带深部矿产远景调查》(项目编号:12120114038301)资助
引用文本:
李宏伟.2018.西秦岭阳山金矿带控矿因素、找矿标志及深部成矿预测[J].矿床地质,(1):67~80
LI HongWei.2018.Ore-controlling factors, prospecting criteria and deep metallogenic prognosis in Yangshan gold ore belt, West Qinling Mountain[J].Mineral Deposits(1):67~80
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